{"id":"CVE-2026-56349","revision":"5bb28da8484b40e4b615a90efbfa539b","records":[{"revision":"5bb28da8484b40e4b615a90efbfa539b","observedAt":"2026-10-25T14:19:10.848+00:00","statement":{"source":"nvd","id":"CVE-2026-56349","aliases":[],"title":"n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromi…","description":"n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity.","state":0,"publishedAt":"2026-07-15T12:18:02.297+00:00","modifiedAt":"2026-07-15T18:20:21.237+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2w","https://www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-input"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56349","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-20"],"productCriteria":[],"sourceDates":{"published":"2026-07-15T12:18:02.297","lastModified":"2026-07-15T18:20:21.237"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-56349","identifiers":["CVE-2026-56349"]},"retained":false,"historicalAffected":[]}],"coverage":[]}